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Honeoye Lake Watershed Task Force
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Sunday July 5, 2026 Honeoye Lake Water Quality
**** Including just released NYS DEC Honeoye Lake Nutrient Inactivation Pilot Study Report. **** Sunday July 5, 2026 Honeoye Lake Water Quality Surface Water Temperature: ~81.0 F Water Clarity: ~14.2 Feet Lake Level: 803.2 Feet above sea level Lake level is just slightly below weir level. Observations: Sunday (7/5/26), Water clarity was ~14.2 feet the same as last week. This is a very high-water clarity for early July. Actually ~ 6 feet higher water clarity than early J
Terry Gronwall
5 days ago7 min read


Monday June 29, 2026 Honeoye Lake Water Quality
**** Muller Field Station Summer Program Schedule and European Frog Bit Pull Information. **** Monday June 29, 2026 Honeoye Lake Water Quality Surface Water Temperature: ~75.6 F Water Clarity: ~14.2 Feet Lake Level: 803.2 Feet above sea level Lake level is just slightly below weir level. Observations: Monday (6/29/25), Water clarity was ~14.2 feet and increase of ~5.9 feet from last week. The sunny day with calm winds gave ideal conditions to accurately measure water cla
Terry Gronwall
Jun 237 min read


Tuesday June 23, 2026 Honeoye Lake Water Quality
**** Muller Field Station Summer Program Schedule and European Frog Bit Pull Information. **** Tuesday June 23, 2026 Honeoye Lake Water Quality Surface Water Temperature: ~70.7 F Water Clarity: ~8.3 Feet Lake Level: 803.2 Feet above sea level Lake level is just slightly below weir level. Observations: Tuesday (6/23/26), Water clarity was ~8.3 feet same as the last week. The surface water temperature was ~70.7 F about a 1.8 F decrease over the last week. This cooler weath
Terry Gronwall
Jun 233 min read


Monday June 15, 2026 Honeoye Lake Water Quality
**** May 2026 FLCC Muller Field Station Newsletter **** Monday June 15, 2026 Honeoye Lake Water Quality Surface Water Temperature: ~72.5 F Water Clarity: ~8.3 Feet Lake Level: 803.2 Feet above sea level Lake level is just slightly below weir level. Observations: Monday (6/16/25), Water clarity was ~8.3 feet same as the last week. The surface water temperature was ~72.5 F about a 0.7 F increase over the last week. It was an overcast, cold (54 F), and moderately windy day
Terry Gronwall
Jun 152 min read


Monday June 15, 2026 Honeoye Lake Water Quality
**** May 2026 FLCC Muller Field Station Newsletter **** Monday June 15, 2026 Honeoye Lake Water Quality Surface Water Temperature: ~72.5 F Water Clarity: ~8.3 Feet Lake Level: 803.2 Feet above sea level Lake level is just slightly below weir level. Observations: Monday (6/16/25), Water clarity was ~8.3 feet same as the last week. The surface water temperature was ~72.5 F about a 0.7 F increase over the last week. It was an overcast, cold (54 F), and moderately windy day
Terry Gronwall
Jun 152 min read


Monday June 8th, 2026 Honeoye Lake Water Quality
**** May FLCC Muller Field Station Newsletter **** Monday June 8th, 2026 Honeoye Lake Water Quality Surface Water Temperature: ~71.8 F Water Clarity: ~8.3 Feet Lake Level: 803.2 Feet above sea level Observations: Monday (6/8/26), Water clarity was ~8.3 feet. This was a water clarity increase of ~2.0 feet over the last week. The surface water temperature was ~71.8 F which was an increase of ~6.5 F over the last week due the warm weather we have been having. Dissolved ox
Terry Gronwall
Jun 82 min read


Monday June 8th, 2026, Honeoye Lake Water Quality Update
**** May FLCC Muller Field Station Newsletter **** Monday June 8th, 2026 Honeoye Lake Water Quality Surface Water Temperature: ~71.8 F Water Clarity: ~8.3 Feet Lake Level: 803.2 Feet above sea level Observations: Monday (6/8/26), Water clarity was ~8.3 feet. This was a water clarity increase of ~2.0 feet over the last week. The surface water temperature was ~71.8 F which was an increase of ~6.5 F over the last week due the warm weather we have been having. Dissolved ox
Terry Gronwall
Jun 82 min read


Honeoye Lake Monday June 1, 2026 Water Quality Update
**** May FLCC Muller Field Station Newsletter and FLLT Understanding Oak Wilt: A Workshop for Landowners and the Community on June 4th. **** Monday June 1st, 2026, Honeoye Lake Water Quality Update Surface Water Temperature: ~65.3 F Water Clarity: ~6.6 Feet Lake Level: 803.5 Feet above sea level (normal lake level) Observations: Monday (6/1/26), Water clarity was ~6.6 feet. This is lower than usual for early June which typically has 10-13 feet of water clarity. The low
Terry Gronwall
Jun 12 min read


June 1st, 2026, Honeoye Lake water quality update.
**** May FLCC Muller Field Station Newsletter and FLLT Understanding Oak Wilt: A Workshop for Landowners and the Community on June 4th. **** Monday June 1st, 2026, Honeoye Lake Water Quality Surface Water Temperature: ~65.3 F Water Clarity: ~6.6 Feet Lake Level: 803.5 Feet above sea level (normal lake level) Observations: Monday (6/1/26), Water clarity was ~6.6 feet. This is lower than usual for early June which typically has 10-13 feet of water clarity. The low water c
Terry Gronwall
Jun 12 min read


2026 Honeoye Lake Watershed Task Force Newsletter
**** April FLCC Muller Field Station Newsletter and FLLT Understanding Oak Wilt: A Workshop for Landowners and the Community on June 4th. **** We have completed our Honeoye Lake water quality blog updates for the 2025 summer season. Hopefully, you found our water quality blog updates useful and informative. Please check for HLWTF blog updates periodically over the fall and winter for timely updates on fall color, ice in/out, Muller Field Station Newsletters, etc. Our water
Terry Gronwall
Feb 141 min read


In October 2025 Town of Richmond and Ontario County SWCD completed a lake bank stabilization project at Sandy Bottom Park.
**** December FLCC Muller Field Station Newsletter. We wish you a happy New Year! **** We have completed our Honeoye Lake water quality blog updates for the 2025 summer season. Hopefully, you found our water quality blog updates useful and informative. Please check for HLWTF blog updates periodically over the fall and winter for timely updates on fall color, ice in/out, Muller Field Station Newsletters, etc. Our water quality blog updates will start again in mid-May 2026.
Terry Gronwall
Nov 27, 20251 min read


October 27 2025 - Hope you are enjoying the fall color around Honeoye Lake!
**** October Muller Field Station Newsletter and Finger Lakes Land Trust Hemlock to High Tor Information Sessions. **** **** We have completed our Honeoye Lake water quality blog updates for the 2025 summer season. Hopefully, you found our water quality blog updates useful and informative. Please check for HLWTF blog updates periodically over the fall and winter for timely updates on fall color, ice in/out, Muller Field Station Newsletters, etc. Our water quality blog up
Terry Gronwall
Oct 27, 20251 min read


Sunday October 5, 2025 Honeoye Lake Water Quality
Again, very little change in the lake’s blue-green algae bloom over the last week. Blue-green algae bloom likely to last for a few more...
Terry Gronwall
Oct 5, 20253 min read


Sunday October 5, 2025 Honeoye Lake Water Quality
Again, very little change in the lake’s blue-green algae bloom over the last week. Blue-green algae bloom likely to last for a few more...
Terry Gronwall
Oct 5, 20253 min read


Sunday September 28, 2025 Honeoye Lake Water Quality
Very little change in the lake wide blue-green algae bloom over the last week. The lake is anoxic between 7.5-9 m (24.8-30 Feet) again. ...
Terry Gronwall
Sep 28, 20253 min read


Sunday September 28, 2025 Honeoye Lake Water Quality
**** Very little change in the lake wide blue-green algae bloom over the last week. The lake is anoxic between 7.5-9 m (24.8-30 Feet)...
Terry Gronwall
Sep 28, 20253 min read


Monday September 22, 2025 Honeoye Lake Water Quality
There has been very little change in the lake wide blue-green algae bloom over the last week. **** Monday September 22, 2025 Honeoye...
Terry Gronwall
Sep 23, 20253 min read


Monday September 22, 2025 Honeoye Lake Water Quality
There has been very little change in the blue-green algae bloom over the last week. However, we still expect the bloom to slowly...
Terry Gronwall
Sep 23, 20253 min read


Sunday September 14, 2025 Honeoye Lake Water Quality
The blue-green algae blooms on Honeoye Lake that resulted from a complete lake mixing event 3 weeks ago are starting to slowly dissipate...
Terry Gronwall
Sep 14, 20253 min read


Monday September 8, 2025 Honeoye Lake Water Quality
Lake experienced complete mixing event two weeks ago causing widespread blue-green algae blooms which should slowly dissipate over next...
Terry Gronwall
Sep 8, 20253 min read
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